MAX1246BMJE datasheet, PDF - EEWORLD Datasheet

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MAX1246BMJE: DescriptionAnalog to Digital Converters - ADC; CategoryAnalog mixed-signal IC converter; File Size340KB，25 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX1246BMJE Overview

Analog to Digital Converters - ADC

MAX1246BMJE Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	DIP
package instruction	CERDIP-16
Contacts	16
Reach Compliance Code	not_compliant
ECCN code	3A001.A.2.C
Maximum analog input voltage	1.25 V
Minimum analog input voltage	-1.25 V
Maximum conversion time	65 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-GDIP-T16
JESD-609 code	e0
Maximum linear error (EL)	0.0244%
Humidity sensitivity level	1
Number of analog input channels	4
Number of digits	12
Number of functions	1
Number of terminals	16
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Output bit code	BINARY, 2\'S COMPLEMENT BINARY
Output format	SERIAL
Package body material	CERAMIC, GLASS-SEALED
encapsulated code	DIP
Encapsulate equivalent code	DIP16,.3
Package shape	RECTANGULAR
Package form	IN-LINE
Peak Reflow Temperature (Celsius)	240
power supply	3/3.3 V
Certification status	Not Qualified
Sampling rate	0.133 MHz
Sample and hold/Track and hold	TRACK
Maximum seat height	5.842 mm
Nominal supply voltage	3.6 V
surface mount	NO
technology	CMOS
Temperature level	MILITARY
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	7.62 mm

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19-1071; Rev 2; 10/01

KIT

ATION

EVALU

BLE

AVAILA

+2.7V, Low-Power, 4-Channel,

Serial 12-Bit ADCs in QSOP-16

Features

4-Channel Single-Ended or 2-Channel

Differential Inputs

Single-Supply Operation:

+2.7V to +3.6V (MAX1246)

+2.7V to +5.25V (MAX1247)

Internal 2.5V Reference (MAX1246)

Low Power: 1.2mA (133ksps, 3V supply)

54µA (1ksps, 3V supply)

1µA (power-down mode)

SPI/QSPI/MICROWIRE/TMS320-Compatible

4-Wire Serial Interface

Software-Configurable Unipolar or Bipolar Inputs

16-Pin QSOP Package (same area as 8-pin SO)

General Description

The MAX1246/MAX1247 12-bit data-acquisition systems

combine a 4-channel multiplexer, high-bandwidth

track/hold, and serial interface with high conversion

speed and low power consumption. The MAX1246 oper-

ates from a single +2.7V to +3.6V supply; the MAX1247

operates from a single +2.7V to +5.25V supply. Both

devices’ analog inputs are software configurable for

unipolar/bipolar and single-ended/differential operation.

The 4-wire serial interface connects directly to SPI™/

QSPI™ and MICROWIRE™ devices without external

logic. A serial strobe output allows direct connection to

TMS320-family digital signal processors. The MAX1246/

MAX1247 use either the internal clock or an external seri-

al-interface clock to perform successive-approximation

analog-to-digital conversions.

The MAX1246 has an internal 2.5V reference, while the

MAX1247 requires an external reference. Both parts have

a reference-buffer amplifier with a ±1.5% voltage-

adjustment range. These devices provide a hard-wired

SHDN

pin and a software-selectable power-down, and

can be programmed to automatically shut down at the

end of a conversion. Accessing the serial interface auto-

matically powers up the MAX1246/MAX1247, and the

quick turn-on time allows them to be shut down between

all conversions. This technique can cut supply current to

under 60µA at reduced sampling rates. The MAX1246/

MAX1247 are available in a 16-pin DIP and a small QSOP

that occupies the same board area as an 8-pin SO.

For 8-channel versions of these devices, see the

MAX146/MAX147 data sheet.

MAX1246/MAX1247

Ordering Information

PART

MAX1246ACPE

MAX1246BCPE

MAX1246ACEE

MAX1246BCEE

TEMP RANGE

0°C to +70°C

PIN-PACKAGE

16 Plastic DIP

16 QSOP

INL

(LSB)

±1/2

±1

±1/2

±1

Ordering Information continued at end of data sheet.

________________________Applications

Portable Data Logging

Medical Instruments

Pen Digitizers

Data Acquisition

Battery-Powered Instruments

Process Control

0V TO

+2.5V

ANALOG

INPUTS

+3V

CH0

DGND

0.1µF

__________Typical Operating Circuit

MAX1246

AGND

CH3

VREF

COM

SCLK

DIN

REFADJ

DOUT

SSTRB

SHDN

I/O

SCK (SK)

MOSI (SO)

MISO (SI)

CPU

4.7µF

Pin Configuration appears at end of data sheet.

0.047µF

SPI and QSPI are registered trademarks of Motorola, Inc.

MICROWIRE is a registered trademark of National

Semiconductor Corp.

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX1246BMJE Related Products

	MAX1246BMJE	MAX1247AMJE	MAX1247BMJE	MAX1246AMJE
Description	Analog to Digital Converters - ADC		Analog to Digital Converters - ADC	Analog to Digital Converters - ADC
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim	Maxim
Parts packaging code	DIP	DIP	DIP	DIP
package instruction	CERDIP-16	CERDIP-16	CERDIP-16	CERDIP-16
Contacts	16	16	16	16
Reach Compliance Code	not_compliant	not_compliant	not_compliant	not_compliant
ECCN code	3A001.A.2.C	3A001.A.2.C	3A001.A.2.C	3A001.A.2.C
Maximum analog input voltage	1.25 V	1.25 V	1.25 V	1.25 V
Minimum analog input voltage	-1.25 V	-1.25 V	-1.25 V	-1.25 V
Maximum conversion time	65 µs	65 µs	65 µs	65 µs
Converter type	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION	ADC, SUCCESSIVE APPROXIMATION
JESD-30 code	R-GDIP-T16	R-GDIP-T16	R-GDIP-T16	R-GDIP-T16
JESD-609 code	e0	e0	e0	e0
Maximum linear error (EL)	0.0244%	0.0122%	0.0244%	0.0122%
Humidity sensitivity level	1	1	1	1
Number of analog input channels	4	4	4	4
Number of digits	12	12	12	12
Number of functions	1	1	1	1
Number of terminals	16	16	16	16
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-55 °C	-55 °C	-55 °C	-55 °C
Output bit code	BINARY, 2\'S COMPLEMENT BINARY	BINARY, 2\'S COMPLEMENT BINARY	BINARY, 2\'S COMPLEMENT BINARY	BINARY, 2\'S COMPLEMENT BINARY
Output format	SERIAL	SERIAL	SERIAL	SERIAL
Package body material	CERAMIC, GLASS-SEALED	CERAMIC, GLASS-SEALED	CERAMIC, GLASS-SEALED	CERAMIC, GLASS-SEALED
encapsulated code	DIP	DIP	DIP	DIP
Encapsulate equivalent code	DIP16,.3	DIP16,.3	DIP16,.3	DIP16,.3
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	IN-LINE	IN-LINE	IN-LINE	IN-LINE
Peak Reflow Temperature (Celsius)	240	240	240	240
power supply	3/3.3 V	3/5 V	3/5 V	3/3.3 V
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Sampling rate	0.133 MHz	0.133 MHz	0.133 MHz	0.133 MHz
Sample and hold/Track and hold	TRACK	TRACK	TRACK	TRACK
Maximum seat height	5.842 mm	5.842 mm	5.842 mm	5.842 mm
Nominal supply voltage	3.6 V	3.6 V	3.6 V	3.6 V
surface mount	NO	NO	NO	NO
technology	CMOS	CMOS	CMOS	CMOS
Temperature level	MILITARY	MILITARY	MILITARY	MILITARY
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE
Terminal pitch	2.54 mm	2.54 mm	2.54 mm	2.54 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	20	20	20	20
width	7.62 mm	7.62 mm	7.62 mm	7.62 mm

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